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发明名称
Heat insulating covering
摘要
申请公布号
US1902794(A)
申请公布日期
1933.03.21
申请号
US19320611987
申请日期
1932.05.18
申请人
NORRISTOWN MAGNESIA & ASBESTOS COMPANY
发明人
WILSON GRANT V.
分类号
F16L59/07;F16L59/08
主分类号
F16L59/07
代理机构
代理人
主权项
地址
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