F17B1/22 - CPC Classification Index

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Classification
F17B
F17B1/00
F17B1/16
F17B1/20
F17B1/22

ClassID:

153958 ⎘

F17B1/22 - CPC Classification

Classification description:

Gas-holders of variable capacity of wet type telescopic spirally-guided

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Classification
F17B
F17B1/00
F17B1/16
F17B1/20
F17B1/22

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