Is this a slow blow fuse?

nutballchamp

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I bought 100 3A slow blow fuses from Pinball Life and they sent me these. They confirmed they are SB but look fast to me.
 

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I bought 100 3A slow blow fuses from Pinball Life and they sent me these. They confirmed they are SB but look fast to me.

Looks like a no-name chinese fuse. Certainly not Bussman MDL/MSL, Littelfuse 313 series or Schurter 3SB3 fuses.

What are the markings on the fuse?
 
Looks like a no-name chinese fuse. Certainly not Bussman MDL/MSL, Littelfuse 313 series or Schurter 3SB3 fuses.

What are the markings on the fuse?

Only lettering besides some logos I can't read is "61S".
 
looks like a fast blo as the slow blos are way thicker
if it says AGC on it then its a fast blow as the slo blos are MDL
should say that right on there no matter what country made it
 
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