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发明名称
COATED ALUMINIUM PISTON
摘要
申请公布号
CA345953(A)
申请公布日期
1934.11.13
申请号
CAD345953
申请日期
申请人
THE ALUMINUM COMPANY OF AMERICA;THE ALUMINIUM LIMITED
发明人
HELMER BENGSTON
分类号
主分类号
代理机构
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