international patent classification
81Preterm birth — Classification and external resources Intubated preterm baby in an incubator ICD 10 O …
82Law of Japan — Contents 1 Historical Developments 2 Sources of law 3 Precedent 4 Civil law 4.1 Contracts …
83History of hang gliding — Hang gliding is an air sport employing a foot launchable aircraft known as a hang glider. Typically, hang gliders are composed of an aluminium or composite framed fabric wing. The pilot is ensconced in a harness depending from the airframe, and… …
84Automobile — For the magazine, see Automobile Magazine. Car and Cars redirect here. For other uses, see Car (disambiguation). Automobile …
85Chronology — 50,000 BCE The first prehistoric human, Cro Magnon man, learned to survive in cold climates by fashioning clothing out of animal skins, tree bark, and foliage. Paleolithic cave paintings such as those found in Lascaux, France, indicate that early …
86Shale oil extraction — Shell s experimental in situ shale oil facility, Piceance Basin, Colorado, United States Process type Chemical Industrial sector(s) Chemical industry, oil indus …
87Integrated circuit — Silicon chip redirects here. For the electronics magazine, see Silicon Chip. Integrated circuit from an EPROM memory microchip showing the memory blocks, the supporting circuitry and the fine silver wires which connect the integrated circuit die… …
88Tire — This article is about tires used on road vehicles, including pneumatic tires and solid tires. For railroad tires, see railway tires. For other uses, see tire (disambiguation) or tyre.Tires, or tyres (in American and British English, respectively) …
89Metalloid —   13 14 15 16 17   2  B Boron …
90Distress radiobeacon — PLB redirects here. For other uses, see PLB (disambiguation). Emergency position indicating radio beacons or EPIRBs Distress radio beacons, also known as emergency beacons, ELT or EPIRB, are tracking transmitters which aid in the detection and… …
