US PATENT SUBCLASS 74 / 597
.~.~.~ Sectional

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

*  DD  ELEMENTS {10}
595  DF  .~ Cranks and wrist pins {7}
596  DF  .~.~ Multiple throw {1}
597.~.~.~ Sectional

DEFINITION

Classification: 74/597

(under subclass 596) Units made in sections and subsequently united by bolting, riveting, or welding.