How do you send data to their application?

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>A client needs to get a raw iso message, which we need to send to their application.
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>The message requires the data to be sent in raw binary format.
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>As a comparison, I have the hex values to the left, and the binary values to the right, to see how that should translate.
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>I played with Hex2Bin, but the output is different than what I see here, I get the '0' and '1' notation as string, but it should look like this:
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>00 00 00 74 60 00 03 00 00 02 00 30 38 05 80 20	...t`......08.€ 
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>Anybody did something like this before?