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经营范围
发明名称
Method of insulating
摘要
申请公布号
US2318744(A)
申请公布日期
1943.05.11
申请号
US19390306812
申请日期
1939.11.30
申请人
JOHNS-MANVILLE CORPORATION
发明人
BROWN GEORGE B.
分类号
F25D23/06
主分类号
F25D23/06
代理机构
代理人
主权项
地址
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