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经营范围
发明名称
Piston.
摘要
申请公布号
CH256930(A)
申请公布日期
1948.09.15
申请号
CHD256930
申请日期
1944.12.22
申请人
HOWLETT,JOHN WILLIAM;WELLWORTHY PISTON RINGS LIMITED
发明人
WILLIAM HOWLETT,JOHN;LIMITED WELLWORTHY PISTON RINGS
分类号
F16J9/14
主分类号
F16J9/14
代理机构
代理人
主权项
地址
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