B31B2221/407 - CPC Classification Index

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Classification
B31B
B31B2221/00
B31B2221/40
B31B2221/407

ClassID:

55154 ⎘

B31B2221/407 - CPC Classification

Classification description:

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Classification
B31B
B31B2221/00
B31B2221/40
B31B2221/407

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