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发明名称
Thermal insulation
摘要
申请公布号
US2050663(A)
申请公布日期
1936.08.11
申请号
US19330663934
申请日期
1933.04.01
申请人
LE GRAND JOSEPH M
发明人
GRAND JOSEPH M. LE
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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