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发明名称
CEMENTITIOUS PIPE MANUFACTURE
摘要
申请公布号
CA430427(A)
申请公布日期
1945.10.02
申请号
CAD430427
申请日期
申请人
JOHNS-MANVILLE CORPORATION
发明人
ERNEST WAYNE REMBERT
分类号
主分类号
代理机构
代理人
主权项
地址
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