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发明名称
Variable stroke mechanisms
摘要
申请公布号
US2873611(A)
申请公布日期
1959.02.17
申请号
US19550519316
申请日期
1955.07.01
申请人
BIERMANN ARNOLD E
发明人
BIERMANN ARNOLD E.
分类号
F02B75/04
主分类号
F02B75/04
代理机构
代理人
主权项
地址
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