4. Metal working
  5. Means to assemble or disassemble
  6. Puller or pusher means, contained force multiplying operator

William Boyd Dempster

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Method of rotational molding a rectangular mat

Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Simultaneous severing and shaping – or severing while work...
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Printing and like rollers

Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent

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Profile ID: LFUS-PAI-P-3057

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