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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

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Y10

TECHNICAL SUBJECTS COVERED BY FORMER USPC

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Y10T

TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

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137/00

Fluid handling

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Y10T137/2931

Diverse fluid containing pressure systems

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Y10T137/3003

Fluid separating traps or vents

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Y10T137/3102

With liquid emptying means

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Patent classifications