US PATENT SUBCLASS 48 / *
ACETYLENE

Current as of: June, 1999
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48 /   HD   GAS: HEATING AND ILLUMINATING

*ACETYLENE {5}
1  DF  .~> Generation and liquefaction
2  DF  .~> Generator and holder
3 R  DF  .~> Generator and mixer {1}
*  DD  .~> Generators {5}
59  DF  .~> Carbide cartridges {1}