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经营范围
发明名称
LOCKED-IN SEALING ELEMENT
摘要
申请公布号
ZA7105537(B)
申请公布日期
1972.05.31
申请号
ZA19710005537
申请日期
1971.08.18
申请人
WATSON BOWMAN ASS INC
发明人
WATSON S;BOWMAN T
分类号
E04B
主分类号
E04B
代理机构
代理人
主权项
地址
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