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公开(公告)号：US715725A
公开(公告)日：1902-12-09
申请号：US1898117693
申请日：1898-10-12
Applicant: ABRAHAM VANDERBEEK
Inventor： WORRON LEWIS C
CPC classification number: F03C1/0531 , F01B1/0624 , Y10T74/18336
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