A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Seam welding controlled by electronic-discharge
Welding with interrupted current; grid-controlled rectifiers regulate frequency and strength of current impulses; solves most difficult seam-welding problems.
Seam welding controlled by electronic-discharge
Welding with interrupted current; grid-controlled rectifiers regulate frequency and strength of current impulses; solves most difficult seam-welding problems.
Seam welding controlled by electronic-discharge
AEG Progress
1934
2 pages
Article (Journal)
German
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