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发明名称
Verfahren zur Herstellung eines Drosselduesenelementes
摘要
申请公布号
DE1806915(A1)
申请公布日期
1969.06.04
申请号
DE19681806915
申请日期
1968.11.05
申请人
POLI,GAVINO DE
发明人
DE POLI,GAVINO
分类号
F16L55/00;F24H9/12
主分类号
F16L55/00
代理机构
代理人
主权项
地址
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