B31B2219/252 - CPC Classification Index

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B31B
B31B2219/00
B31B2219/25
B31B2219/252

ClassID:

55067 ⎘

B31B2219/252 - CPC Classification

Classification description:

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Classification
B31B
B31B2219/00
B31B2219/25
B31B2219/252

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