B28C 1/00 Apparatus or methods for obtaining or processing clay (filtration in general B01D; separation of solids from solids B03, B07; chemical part C04B; by mining or quarrying E21C41/16, E21C41/26, E21C47/10)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Apparatus or methods for obtaining or processing clay
CPC: Apparatus or methods for obtaining or processing clay (filtration in general B01D; separation of solids from solids B03, B07; chemical part C04B; by mining or quarrying E21C41/16, E21C41/26, E21C47/10)
Full Title
Full titles differ between systems:
Apparatus or methods for obtaining or processing clay
Apparatus or methods for obtaining or processing clay (filtration in general B01D; separation of solids from solids B03, B07; chemical part C04B; by mining or quarrying E21C41/16, E21C41/26, E21C47/10)
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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