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发明名称
Piston head guard
摘要
申请公布号
US1900521(A)
申请公布日期
1933.03.07
申请号
US19310513867
申请日期
1931.02.06
申请人
PRICE JAMES H
发明人
PRICE JAMES H.
分类号
F02F3/22
主分类号
F02F3/22
代理机构
代理人
主权项
地址
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