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经营范围
发明名称
Aiguillage de voies aériennes à profil creux en forme d'U renversé à rebords relevés vers l'intérieur.
摘要
申请公布号
CH274108(A)
申请公布日期
1951.03.15
申请号
CHD274108
申请日期
1948.03.11
申请人
TOURTELLIER,RAYMOND
发明人
TOURTELLIER,RAYMOND
分类号
E01B25/26
主分类号
E01B25/26
代理机构
代理人
主权项
地址
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