Dispositif de sécurité pour l'obturation automatique de canalisations endommagées,申请号FRD995882-传众专利搜索

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发明名称	Dispositif de sécurité pour l'obturation automatique de canalisations endommagées
摘要
申请公布号	FR995882(A)	申请公布日期	1951.12.10
申请号	FRD995882	申请日期	1949.09.20
申请人		发明人	PETITDIDIER ROGER
分类号	B25D17/10;B60T11/32;B60T17/22;F16K17/30;F16K37/00;F16L55/10	主分类号	B25D17/10
代理机构		代理人
主权项
地址

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