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经营范围
发明名称
Oil scraping or sealing means on pistons, shafts or plungers
摘要
申请公布号
GB701981(A)
申请公布日期
1954.01.06
申请号
GB19500030604
申请日期
1950.12.15
申请人
THE BRITISH PISTON RING COMPANY LIMITED
发明人
MCCARTHY WILFRED JUSTIN
分类号
F16J9/06;F16J9/20
主分类号
F16J9/06
代理机构
代理人
主权项
地址
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