US PATENT SUBCLASS 123 / 211
.~.~ Plural

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

200  DF  ROTARY {12}
210  DF  .~ With ignition means {1}
211.~.~ Plural

DEFINITION

Classification: 123/211

Plural:

(under subclass 210) Apparatus provided with a plurality of ignition means.