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in next step i link them.. (19.04.2013)
Germany
tme.eu -> TL074CN = 0,16€ TL072CN 0,16€, resitoren 100K
ic-box24.de LM13700N 0,99€
Eibtron.com -> most parts of RS and mercateo
elmotex -> IC´s register etc. cheap. LM13700
Reichelt -> trimpots
conrad ->XLR 4polig