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发明名称
PROCEDIMENTO PER PRODURRE UNO SCAMBIATORE DI CALORE
摘要
申请公布号
IT9022181(D0)
申请公布日期
1990.11.23
申请号
IT19900022181
申请日期
1990.11.23
申请人
JOH. VAILLANT GMBH U. CO.
发明人
BREMICKER MICHAEL
分类号
B23K1/00;B23K33/00;F28F9/02
主分类号
B23K1/00
代理机构
代理人
主权项
地址
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