Patent search ap:("INT BASIC ECONOMY CORP") AND inv:"JOHNSTON DWIGHT A" Page 1

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发明授权
Rotating fluid cylinders 失效
Title translation: 旋转液压缸

公开(公告)号：US3079896A

公开(公告)日：1963-03-05

申请号：US6218260

申请日：1960-10-12

Applicant: INT BASIC ECONOMY CORP

Inventor： JOHNSTON DWIGHT A

IPC: B21C47/30 , B23B31/30

CPC classification number: B21C47/30 , B23B31/302

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