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经营范围
发明名称
Adjustable piston
摘要
申请公布号
US1990815(A)
申请公布日期
1935.02.12
申请号
US19330700772
申请日期
1933.12.04
申请人
HAROLD O. ROEPE;NELS C. MADSEN
发明人
CLARK KENNETH A.
分类号
F16J1/06
主分类号
F16J1/06
代理机构
代理人
主权项
地址
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