# Case number 6

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No. 58

Cubis ellipse

In row 1

No. 56

The four types of space curves of 3. order on gypsum cylinders of 2. order.

In row 2

No. 55

The four types of space curves of 3. order on gypsum cylinders of 2. order.

In row 2

No. 54

The four types of space curves of 3. order on gypsum cylinders of 2. order.

In row 2

No. 53

The four types of space curves of 3. order on gypsum cylinders of 2. order.

In row 2

No. 430

Tangent surface of the space curve of 4. order

In row 3

No. 59

Space curve of 4. order

In row 4

No. 75

Ruled surface of 3. order

In row 4