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发明名称
Method of forming pistons
摘要
申请公布号
US1830519(A)
申请公布日期
1931.11.03
申请号
US19300451655
申请日期
1930.05.12
申请人
THE CLEVELAND TRUST COMPANY
发明人
MCCOY WILLIAM C.
分类号
F02F3/02;F16J9/20
主分类号
F02F3/02
代理机构
代理人
主权项
地址
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