Manufacturer code | Aluminium | Steel with rib | Steel | Compressed wood | manufacturer name / comments |
SS 39 / 38 RZM | X | ||||
SRM | 37 | ||||
B&C | 35, 36 | ||||
BH | 37 | ||||
S | 35, 36, 37, 38 | 40 | |||
AF | 36, 37 | ||||
OC | 37 | ||||
S&C | 34, 35, 36, 37, 38, 39, 40 | 40, 41 | |||
H | 37 | ||||
FEF | 37, 38 | ||||
LGK&F | 40 | 41, 42, 43 | Gebrüder Kugel & Fink from Lüdenscheid | ||
L&F | 37, 39 | ||||
GA | 37, 38, 39, 40 | 40 | |||
DMN | 36, 37 | ||||
C&CW | 37, 38, 39 | 41, 42 | |||
AWJR | 38, 39, 40, 41 | 39 | 41 | ||
qcy | 41 | ||||
NDM | 39 | ||||
NOWA | 38, 39 | X | |||
RS | 33 | 34 | 40, 41 | ||
SC with pine above | 40, 41 | ||||
SRM | 35, 38 | ||||
gyq | 41 | X | |||
DS | 40 | ||||
GS | 40, 41, 42 | ||||
WAL | 37 | 40, 41 | |||
WDL | 40 | ||||
WaA | ? |
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