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发明名称
Perfectionnements aux revêtements non conducteurs de la chaleur et du son
摘要
申请公布号
FR731640(A)
申请公布日期
1932.09.05
申请号
FRD731640
申请日期
1932.02.22
申请人
WM. KENYON & SONS, LTD
发明人
JACKSON ARCHIE;CLEGG RICHARD
分类号
F16L59/06;F16L59/07
主分类号
F16L59/06
代理机构
代理人
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