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经营范围
发明名称
Piston
摘要
申请公布号
US2273986(A)
申请公布日期
1942.02.24
申请号
US19400325894
申请日期
1940.03.25
申请人
C. C. SAUNDERS
发明人
PICKETT DAVID C.
分类号
F02F3/00
主分类号
F02F3/00
代理机构
代理人
主权项
地址
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