German patents gazette.
Derwent Publications, Ltd.
London : Derwent Publications,
1980-1988.
Issues also carry dates abstracts were issued, 11 June 80-12 Oct. 88.
Merged with: German patents gazette. Sections P, Q, General/mechanical, and: German patents abstracts. Sections P, Q, El, General/mechanical/electrical, to form: German patents abstracts. Unexamined. S-X, Electrical ; German patents abstracts. Unexamined. PQ, General/mechanical ; German patents abstracts. Examined. P-X, General/mechanical/electrical.
Patents
Electric apparatus and appliances
German patents gazette. Section R, Electrical
German patents gazette. Sections P, Q, General/mechanical
German patents abstracts. Sections P, Q, El, General/mechanical/electrical
German patents abstracts. Unexamined. S-X, Electrical
German patents abstracts. Unexamined. PQ, General/mechanical
German patents abstracts. Examined. P-X, General/mechanical/electrical