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发明名称
HOLLOW CLAY BODY FORMING METHOD AND APPARATUS
摘要
申请公布号
CA435634(A)
申请公布日期
1946.07.02
申请号
CAD435634
申请日期
申请人
NATIONAL FIRE PROOFING COMPANY OF CANADA LIMITED
发明人
CHARLES EMMETT BATES
分类号
主分类号
代理机构
代理人
主权项
地址
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