Not exactly, but close.
Our mounting blocks "dovetail" together, between each, and each has a mounting tab, with hole, on "the back side".
I can't get an image that is clear. Looks like: 3 334 486 065 and a logo that maybe looks like an "E" in a circle.
edit: Okay, here we go:
https://rct-global.com/part/base-to-suit-micro-relay-mountable-bosch-3-334-485-045/