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经营范围
发明名称
A method of applying a wear-resisting surface to a piston or piston bull ring
摘要
申请公布号
GB423038(A)
申请公布日期
1935.01.22
申请号
GB19330020705
申请日期
1933.07.22
申请人
HOMER EDWARD GANNETT
发明人
分类号
F16J1/02
主分类号
F16J1/02
代理机构
代理人
主权项
地址
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