DIFF Subgroup
E01B 11/44 Non-dismountable rail joints; Welded joints (welding methods B23K)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Non-dismountable rail joints; Welded joints
CPC: Non-dismountable rail joints; Welded joints (welding methods B23K)
Full Title
Full titles differ between systems:
IPC:
Rail joints > Non-dismountable rail joints; Welded joints
CPC:
Rail joints (electrical connection of the rail B60M5/00) > Non-dismountable rail joints; Welded joints (welding methods B23K)
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
Child Classifications
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