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发明名称
Insulating means against heat
摘要
申请公布号
US1908057(A)
申请公布日期
1933.05.09
申请号
US19300498784
申请日期
1930.11.28
申请人
KARL RUCKSTUHL
发明人
RUCKSTUHL KARL
分类号
F16L59/02
主分类号
F16L59/02
代理机构
代理人
主权项
地址
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