Here is my Hasag 00P (or a straight clone of one). It has the same pump and cap components as the Hasag 00P, but does not have "Hasag" stamped on the pump fastener. It is fitted with a small SVEA roarer burner, leading to some speculation it could be a "Companion" clone (see discussion here: https://classiccampstoves.com/threads/26957 Before fettling: Fired up!:
The kettle came from India. There is so much lead solder in it, I wouldn't use it for making tea, but it is great for stove testing and making hot water...