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| FS E 646 001-005
1958-1959 first series, original version |
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| FS E 646 001-005
last variations until 1978, then transformed in E 645 101-105 |
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| FS E 645 001-032
1959-1960 first series, original version |
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| FS E 645 001-032
current version |
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