DIFF Subgroup
E01B 9/38 Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Fastening rails on sleepers, or the like > Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
CPC:
Fastening rails on sleepers, or the like (fastening rails to bridges E01D19/12) > Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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