H01J3/388 - CPC Classification Index

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Classification
H01J
H01J3/00
H01J3/38
H01J3/381
H01J3/388

ClassID:

204540 ⎘

H01J3/388 - CPC Classification

Classification description:

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Classification
H01J
H01J3/00
H01J3/38
H01J3/381
H01J3/388

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