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发明名称
Leak-proof joint structures
摘要
申请公布号
US3367693(A)
申请公布日期
1968.02.06
申请号
US19640415092
申请日期
1964.12.01
申请人
ALUMINUM COMPANY OF AMERICA
发明人
JR. WILLIAM C. WELTMAN,
分类号
E04B1/68;E04D3/38
主分类号
E04B1/68
代理机构
代理人
主权项
地址
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