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经营范围
发明名称
Procédé évitant la formation de bulles ou raies sur la surface du verre fondu au contact de parois métalliques chaudes
摘要
申请公布号
FR726857(A)
申请公布日期
1932.06.04
申请号
FRD726857
申请日期
1931.01.26
申请人
发明人
SANCHEZ-VELLO LEOPOLDO
分类号
C03B17/04
主分类号
C03B17/04
代理机构
代理人
主权项
地址
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