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The foriedman process foor multilayer printedcircuits多层印制板的鼓午人心的进展。见 Proceedings of the Technical Program,NationalElectronic packaging and production Conference1966·9·466～471Principles of printedc/nrc/nspoard defluxing
The foriedman process foor multilayer printedcircuits Multi-layer printed board drum afternoon heart progress. See Proceedings of the Technical Program, National Electronic Packaging and Production Conference 1966-9. 466-471 Principles of printedc / nrc / nspoard defluxing