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公开(公告)号：US643270A
公开(公告)日：1900-02-13
申请号：US1899724903
申请日：1899-07-24
Applicant: PHILIP GERST , GEORGE A STRICKER , NEWELL GEORGE A
Inventor： NEWELL GEORGE A
CPC classification number: B66B13/28
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公开(公告)号：US1330823A
公开(公告)日：1920-02-17
申请号：US29960119
申请日：1919-05-24
Applicant: GEORGE A STRICKER
Inventor： STANLEY CHARLES O
IPC: B61L5/20
CPC classification number: B61L5/203
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