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Y10S148/171
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GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10
USPC classification
Y10S
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S148/00
Metal treatment
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Y10S148/171
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last 30 patents
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Patent Grant
Method of making a variable-capacitance diode device
Patent number
4,868,134
Issue date
Sep 19, 1989
Toko, Inc.
Takeshi Kasahara
H01 - BASIC ELECTRIC ELEMENTS