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发明名称
EXPANSION JOINTS FOR CONDUITS
摘要
申请公布号
CA755508(A)
申请公布日期
1967.03.28
申请号
CAD755508
申请日期
申请人
JOHNS-MANVILLE CORPORATION
发明人
BERNARD L. KOTYUK;WILBUR VAN TINE
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主分类号
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代理人
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