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Patent Searching and Data


Title:
METHOD OF EXPOSING REFERENCE POSITION DISPLAY MARK OF MULTILAYER CIRCUIT BOARD INNER LAYER CIRCUIT
Document Type and Number:
Japanese Patent JPS5833895
Kind Code:
A
Inventors:
SUNAMI SHIYOUJIROU
SHIOZAKI HARUMI
Application Number:
JP13294181A
Publication Date:
February 28, 1983
Filing Date:
August 25, 1981
Export Citation:
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Assignee:
HITACHI CHEMICAL CO LTD
International Classes:
H05K3/46; (IPC1-7): H05K3/46
Attorney, Agent or Firm:
Kunihiko Wakabayashi