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专利号联邦德国DE—OS 3500439(B22C15/22) 申请日期 1985年1月9日公布日期 1985年9月26日申请厂商民主德国GISAG公司发明人 Hasso H(?)ber 该装置至少有一个储压容器1,在其底板2上装有几个冲击阀3,冲击阀3配有单个作用或联合作用的气动操纵机构4。该发明力图
Patent No. Federal Republic of Germany DE-OS 3500439 (B22C15 / 22) Date of Application January 9, 1985 Publication Date September 26, 1985 Application Vendor Germany GISAG Inventor Hasso H (?) Ber The device has at least one reservoir pressure The container 1 has on its base plate 2 several impact valves 3 equipped with a single acting or cooperating pneumatic actuating mechanism 4. The invention attempts